Lock for sofa-bed seats, &amp;c.



S. GUNDERSBN.

LOOK FOR sou BED sum 6w.

APPLIGATION FILED JAN. 24, 1912.

Patented Apr. 28, 1914.

'2 SHEETSSHEET 1.

five/22% dia er? Qzazd'emwz S. GUNDEESEN.

LOOK FOR SOFA BED SEATS, 6m.

APPLICATION FILED JAN. 24, 1912.

Patented Apr. 28, 1914.

2 SHEETS-SHEET 2 f/zaerz 3%)? Jzlverz @undewmg UNITED STATES PATENT FICE.

SIVER'I GUNDERSEN, OF CHICAGO, ILLINOIS, ASSIGNOR TO S. KARPEN & BROS, OF CHICAGO, ILLINOIS, A CORPORATION OF WEST VIRGINIA.

LOOK FOR SOFA-BED SEATS, 850.

To all whom it may concern Be it known that I, SIVERT GUNDERSEN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Looks for Sofa-Bed Seats, 620., of which the following is a specification.

My invention relates particularly to locking devices adapted to maintain an invertible sofa-seat in the position which it normally occupies as a seat.

The device is especially useful in connection with a combination sofa and bed, or combination couch and bed of the type in which a folded bed is normally housed in the frame beneath the sofa seat, and is equipped with a spring under tension, hav ing a tendency to raise or swing the seat.

My primary object is to provide a simple and inexpensive locking device, well adapted to the purpose indicated.

The invention is illustrated in the accompanying drawings, in which Figure 1 represents an end elevational View of a sofa bed structure equipped with my improved device, the structure appearing in bed form and with one of the ornamental end-standards of the main frame removed; Fig. 2, a broken front view of the sofa-seat in inverted position, and showing the seatcarried locking member and releasing means; Fig. 3, a view similar to Fig. 1, but showing the structure in sofa form; Fig. 4, an enlarged broken central sectional view, showing the seat-carried locking member in engagement with the back-carried locking member; Fig. 5, a broken perspective showing a fragment of the rear rail of the sofa seat and the locking-member carried thereby, the upholstering of the seat not being shown; and Fig. 6, a perspective view of the back-carried locking member.

In the construction illustrated, A represents a frame equipped with a back A; B, a sofa seat mounted in the frame and adapted to swing to an inverted position in front of the frame; and C, a folding bed normally housed in the frame beneath said seat.

No novelty is herein claimed for the structure of the frame, folding bed, and mountings for the bed and seat. It may be stated, however, that the bed comprises an intermediate section 1 mounted on seat-carried brackets 2, and front and rear sections 3 and 4, pivotally connected to the section 1.

Specification of Letters Patent.

Application filed January 24, 1912.

Patented Apr. 28, 1914.

Serial No. 673,235.

The seat is joined by links 5 to frame-carried brackets 6; the rear section 4 is joined by links 7 to the frame; the links 7 are o1ned by links 8 to the brackets 2; the front bed section 3 is joined by links 9 to the seat' near its free lateral edge; and folding legs 10 are connected with the seat and actuated by link 11 connected with the bed-section 8. Springs 12 connect the rear bed section 4 to uprights 13 secured to the rear portion of the frame. These springs are placed under tension when the structure is converted to sofa form, and tend to unfold the structure and throw the sofa seat up.

In accordance with my improvements, the lower edge portion of the back A is equipped centrally with an angle-form bearing or locking-member 14, which has a rearwardly turned flange 15 disposed beneath the lower frame member 16 of the back and an upturned flange 17 disposed in front of the member 16. The member 14 is rigidly secured to the back, as by screws 18. Also, I equip the rear rail 19 of the sofa seat, referring to the structure in sofa form, with a resilient movable locking member 20. The member 20 is formed with a shank 21 which is securely attached, by screws, to the outer face of the member 19, and has a rearwardly inclining tongue portion 23 which rises from the shank 21 and is bent forwardly near its upper end to afford a horizontal portion 24 and then upwardly to form the terminal portion 25.

The upper surface of the portion 24 affords a shoulder which lockingly engages the shoulder afiorded by the lower surface of the flange 15 of the locking-member 14, while the part 25 engages the flange 17, limiting the rearward swing of the tongue when the parts are brought into locking engagement. The portion 23 of the member 20 is equipped with laterally projecting ears, bearings, or arms 26, over the back of which pass the flexible members 27, ofaloop or handle 28, which is accessible in the angle between the back and seat. The lower ends of the members 27 are secured, by tacks 29, to the rail 19 below the arms 26. The upper portion of the rail 19 is recessed in its rear surface, as indicated at 30, to accommodate the part 25 when the resilient catch is drawn forwardly through the medium of the loop 28. The releasing action occurs in the operation of lifting the seat, the loop handle serving this double functi u. l i hen the structure is folded, the inclined portion 23 rides upon the rer i at fanp e l? of the member 1% until the locking; tongue of the catch snaps be neath the flange 15.

The improred locking device is exceedingly simple thoroughly durable and effective, and little liable to get out of order.

(What I regard as new, and desire to cure by Lett rs Paten t, is

1 ln structure of he character set the (O1 ihination vii h a fixed locking;

1', if a pivoted Dil'1'1?11t. a resilient lOClill m iber secured at one end to the rear edge portion thereof and adapted to enagre said i c-llttlllt tl member with its free end, the 'a, resilient locltiiug member being co ui 'z-ped witi arms imermediate its ends, and a member engaging ti 0 arms of said resilient locking; 'inemJer and adapted to com- :u-ess the same and the free end thereof to effect the dii-iengragement of the latter from the fixed l0( the member in the operation of lifting saic. pivoted clement.

in a structure of the character set forth, the combination with a fixed locking member, of a pivoted element, a resilient loclnng member having a shank secured to said element and equipped with a locking slmulder adapter to eng ge said first-named lochin member said seconc i'ian'icd locking member equippet with arms, and a flexible loop-handle mtached to said element and having its meml rs eng ping said arms, whereby said loch meiib will be released in the operation of lifting said element.

o.f11 a structure of the character set forth, an combinatit'in with a frame having its back portion equipped with a locking shoulder, of an element mounted in said frame and adapted to swing to a position in front of the frame, a resilient locking mem her having a shank attached to the rear portion of said element and an inclined portion with an offset upper end affording a locking shoulder engaging said first-named lockinp; shoulders said locking member being equipped with laterally extending arms, and a lifting-loop having its extremities attached to said clement beneath said arms, said loop serving as a means of releasing said locking men'iber and lifting said element.

d. In means of the character set forth, the combination of a fixed locking member, an element mounted to swing about its front portion and having its rear portion disposed adjacent said fixed locking member, a resilient locking member having a shank attached to the rear portion of said element and saving an inclined tongue rising from said shank and having its upper portion bent forwardly and then upwardly, said tongue equip md with late al arms, and a 1 l v I t loop-form nandle having its extremitles seill. RAYMOND, O. C. Awsus.

copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. G. 

